package com.atguigu.gulimall.order.config;

import com.atguigu.gulimall.order.entity.OrderEntity;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;


import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

@Configuration
public class MyMQConfig {



    //@Bean Binding Queue Exchange

    /**
     * 容器中的 Binding Queue Exchange 都会自动创建（前提是 RabbitMQ 中没有的情况）
     *  一旦创建好队列 RabbitMQ 只要有 ，@Bean声明属性发生变化 也不会覆盖
     * @return
     */
    @Bean
    public Queue orderDelayQueue() {
        Map<String, Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange", "order-event-exchange");
        arguments.put("x-dead-letter-routing-key", "order.release.order");
        arguments.put("x-message-ttl", 60000);
        Queue queue = new Queue("order.delay.queue", true, false, false, arguments);
        return queue;
    }

    @Bean
    public Queue orderReleaseOrderQueue() {
        Queue queue = new Queue("order.release.order.queue", true, false, false);
        return queue;
    }

    @Bean
    public Exchange orderEventExchange() {
        return new TopicExchange("order-event-exchange", true, false);
    }

    @Bean
    public Binding orderCreateOrderBinding() {
        return new Binding("order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order", null);
    }

    @Bean
    public Binding orderReleaseOrderBinding() {
        return new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order", null);
    }

    /**
     * 订单释放 直接和 库存释放 进行绑定
     * @return
     */
    @Bean
    public Binding orderReleaseOtherBinding(){
        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null);
    }

    /**
     * 监听秒杀互动订单的队列
     * @return
     */
    @Bean
    public Queue orderSeckillOrderQueue(){
        return new Queue("order.seckill.order.queue",true,false,false);
    }

    /**
     *秒杀活动订单的绑定关系
     * @return
     */
    @Bean
    public Binding orderSeckillOrderQueueBinding(){
        return new Binding("order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);
    }
}
